Subtract 21/4 from 70/2
1st number: 35 0/2, 2nd number: 5 1/4
70/2 - 21/4 is 119/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 4 is 4
Next, find the equivalent fraction of both fractional numbers with denominator 4 - For the 1st fraction, since 2 × 2 = 4,
70/2 = 70 × 2/2 × 2 = 140/4 - Likewise, for the 2nd fraction, since 4 × 1 = 4,
21/4 = 21 × 1/4 × 1 = 21/4 - Subtract the two like fractions:
140/4 - 21/4 = 140 - 21/4 = 119/4 - In mixed form: 293/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/2-42/4 70/4-21/4 70/2-21/8 70/2-63/4 70/6-21/4 70/2-21/12 70/10-21/4 70/2-21/20 70/14-21/4 70/2-21/28